CVE-2026-22023
High
Description
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, there is an out-of-bounds heap read vulnerability in cryptography_aead_encrypt(). This issue has been patched in version 1.4.3.
SeverityHigh
CVSS7.5
Exploit probability—
ProductNasa Cryptolib
PublishedJan 10, 2026
First seenJan 10, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- nasa cryptolib1.4.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nasa cryptolib | v < 1.4.3 | 1.4.3 |
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